Dual Pump can let them hurt 2 enemies at once, which is an ideal tactic for if the opposing active pokemon is low on HP and Volcanion's trainer wishes to start chipping away at incoming threats sooner
It's aggressive, looks like it could punch a hole through your binder, and made me actually stop and appreciate an Illustration Rare that isnt trying to be too cute
(I know Imakuni
Misty can help with energy acceleration a bit, but sometimes this deck can't keep up with more aggressive decks in the meta

Non-Foil Cards Non-foil cards come in a number of different styles as listed below: Basic cards : Standard card, no border, no flash just basic stuff 1st Edition cards : Special cards that feature a 1st Edition stamp on the card under the image (seen above) Silver Edition cards : The first rare type and will have a Silver Edition under the card image similar to the Gold Edition shown below Gold Edition Cards : Gold Edition as shown below is the top of these types of rares Ex Cards : EX cards, as shown in the foil section below are the last of the standard rare cards and feature unique art Full Art Cards : Full Art, again shown below on the foil section the Full Art is the best of the card types you can get with cards being valued well into the high double digits or event triple digits if foiled Foil Cards Foil Basic cards: Basic foil card 1st Edition Foils: A 1st Edition Card with foil design Silver Edition Foils: A Silver Edition card with added foil Gold Edition Foils: As above but in Gold EX Edition Foils: EX cards with added foil shine Full Art Foils: The best of the normal cards a Full Art Foil Ghost Cards: Ghost Full Art Card: The ultimate card in the game, and one we are yet to get

On top of providing you with an all-important mana discount, this enchantment also punishes all of your opponents for playing anything but wimpy creature types that your Dragons will happily gobble up